The
X-Files An inside report of De Bethune SA, La Chaux l'Auberson |
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by Magnus Bosse, November 2006 |
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Part
5 |
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5.
The current De Bethune Collection - Part
II
Lean back, have fun and enjoy! |
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5.1 The
De Bethune Digitale (Jumping
Hour & Minute, Triple
Date, Spherical Moon; handwind): |
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Yes,
turn the watch and you will find yourself catapulted into the orbit
like an astronaut with the Space Shuttle. Residing in an outer space
with stellar constellations (see Ursa
Minor?), the moon takes his even, orderly path. Rarely is much more
drama and space (in a literal sense) reserved to the moon. Other then that, the watch houses the Cal. 2014D movement with the IOS 3, enabling for 9 days of power reserve. |
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Why do I consider this watch at the same time the apogee and the contradiction of the DBS/DBL? Now, this watch is a small provocation: No dial in a common sense - yet the face draws all attention. Clearly showing its pedigree in the DBS - but yet, the window concept has no roots in those watches. An astronomic watch: our calendar is clearly derived from the course of the moon - but the moon, he driving force, has been removed from instant visibility to the back (is this now an emphasis or an attenuation, or irony?). It contradicts itself: a mechanical, analogue watch - yet all indications are digital. This watch has so many secrets and stories to tell, the I can only say that I raise my hat against the genius who devised this concept! |
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5.2
The De Bethune GMT Automatic (DB20) (Hour, Minute,
2nd Timezone, Power Reserve; automatic):
No torpedo lugs? No flat case? No heart-shaped movement? Well, still truely De Bethune: This watch is a sizeable departure from the existing aesthetic theme, but not from the fundamental concept of original movement in orginal cases. This new family, at De Bethune affectionately christened "Dream Watches", reveals another face of this vibrant company: the creation of entirely modernist watches which virtuously play with aesthetic elements, new materials and sometimes irritating interpretations of traditional concepts. The GMT Automatic, also called DB20, comes with the first De Bethune in-house automatic movement which is not derived from a historical one. A vigilant observer of De Bethune instantly assumes that also this new engine is loaded with technical delicacies, and right he or she is. But I will as always start with the clothes of this watch. First you notice is the unusual hefty case with a diameter of 45mm with massive lugs, attached to the case by hexagon sockets. Longitudinal kerfs accentuate the vertical axis and add some visual airiness to the otherwise bold design. The massive bezel features two layers, a polished lower one and a brushed, massive upper one with beautifully heat-blued polished titanium markers for every hour. Strikingly, the bezel has an unusual porthole shape with emphasis on each uneven hour. What seems like a rather weird combination (of 30 pieces for the case alone!) actually works quite well: |
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Under
a sapphire crystal with double-sided anti-reflective coating the designers
placed a very technically oriented dial. It makes successfully
use of a deliberate contrast of materials, colours and shapes. The
basic theme is a sandblasted, darkened steel dial with an inner sector
of steel adorned with Côtes
de Genève and
anglaged edges. This ensemble is framed with a steel ring with dark
minute markers. The hands continue the dark/lucid tension with their complex
design of polished steel on a darkened chassis. All indications originate from the central plate: From top, there is a horizontal power reserve (5 days!) gauge, then the minute and hours hands and below, set in a heat blued steel plate, the jumping second timezone with a day/night indicator. Surprisingly for a travel watch, there is no date. |
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While
De Bethune already introduced the tandem of titanium and platinum for
the IOS balance design, the construction team around Denis Flageollet went
a step further and applied it also for the automatic winding system
of the Cal. DB2024. The rotor features a light titanium scaffold on
whose outer side a platinum weight (barely visible, around the escapement
between the
"No 01" and the "Swiss" inscriptions on the back crystal)
is mounted. This again results in a high inertia/mass ratio, as in De
Bethune's own balance.
If you look closely, De Bethune also implemented another element from there: the shock-protection system. The rotor is mounted with the central trefoil-shaped plate with four "leaves", each carrying three rubies. These rubies press the rotor agains outer portion of the ball bearing (hidden), and thus provide for some protection against heavy shocks. The energy delivered by the rotor is fed into two mainspring barrels, which drive - in this case - an IOS 3 balance running at 28.800 bph. The entire movement is, quite a match to the concept!, of rather technical, but very elaborate and beautifully executed finish with highlighted "spokes" on the main plate: |
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4.2
The De Bethune Maxichrono (DB21) (Hour, Minute, central Chronograph;
handwind): Finally, the most controversial watch: the Maxichrono, or De Bethune DB21! Clearly of similar breed than the GMT Automatic (45mm case as well with similar design), this impressive Chronograph is at the same time more traditional as it is avant-garde. Traditional, because it is equipped with a round dial and a monopusher mechanism operating on column wheel(s!). Avant-garde, not only because of the overall case design, but also because of unique fact that all hands are coaxially mounted in the center of the dial, and of course because of the movement: I mentioned already column wheels in plural, there are three of them, two visible on the back and one on the dial side, plus an eccentrically located vertical clutch. |
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The
golden dial has a stepped, matte silver surface on five different
levels, one level for each indication, arranged to ensure optimal legibility.
From the time scale (roman hour numbers) beginning outwards, the Chronograph
minutes and seconds counters are located. Only the slowly moving hours
counter ring sits in the center, as this slowly moving hand would hide
the other indications. Interestingly, the Chronograph functions are
not only unusually displayed, they are equally unique in their conception:
Both seconds and minutes counter count 30sec and 30min, respectively,
and the hour counter up to impressive 24h. The reason again is, as
claimed by De Bethune, to improve the readability of the indication.
With only 30 units spread over 360°, the
hands have much space to discriminate between the smallest timing differences.
All chronograph functions BTW are recorded in constant progression,
and are not of instant or semi-instant (like in most conventional chronograph
movements) construction; a real analogue time measurement. However, and this is my personal view, I find it a bit irritating to read a 30min (chronograph minute counter) and a 60min (time minute hand) indication concentrically located on one dial. This at least takes some efforts to get used to, and while the timing resolution surely is quite high, the instant readability of elapsed time suffers. |
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The uniqueness of the watch finds its counterpart on the other side: the
movement (Cal. DB2034) is a technical tour de force. Next
to already extensively discussed De Bethune "hallmarks" (5 days power
reserve, IOS 3, 28.800 bph, 43 jewels), put in place by skeletonised
and blued titanium bridges, three small
column wheels serve as operation control for the chronograph (see
image below, the two column wheels on the back: one at 1 o'clock,
the second at 8 o'clock): |
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The
coaxial arrangement of the Chronograph works caused some spatial
limitations, thus De Bethune chose to rely on multiple column wheels
to faciliate the control of the stop works. The return-to-zero function
has to be controlled by two column wheels, whereas the start/stop
function is controlled by only one column wheel. Thus, three column
wheels are needed to control the Chronograph: 1 for start, stop and
reset of chrono second, 1 for minute counter reset and 1 for hour |
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The
watch is an interesting technical solution for sure. The movement
is a watchmaking masterpiece, wonderfully executed with fine materials
in perfect craftsmanship. Modern and old techniques and materials
rarely mate that troublelessly and free of lackadaisical attitudes.
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A
Final Verdict: |
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------------------------------------------------------------- Acknowledgements: |
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I
want to thank Angela Landone, Denis Flageollet and Jean-Jacques
Cochet from De Bethune for accepting me as guest, answering
all my questions and introducing me to the fascinating world of De
Bethune watches. Thanks also to Suitbert Walter from ThePurists.com for an intensive discussion of the technical aspects and others for expert proof-reading. All mistakes are nontheless my responsibility. The images are taken with a Nikon Coolpix 5400 (workshop photos) and an Olympus E-1 digital SLR with a 35mm Zuiko ZD Macro lens, a remote flash and a self-made perspex lighthouse. |
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Part
1 - The Introduction Part 2 - Watchmaking at De Bethune today Part 3 - De Bethune's bespoke movements and its unique "spider" balance assembly Part 4 - The current De Bethune collection - Part I Part 5 - The current De Bethune collection - Part II |
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Magnus Bosse © November 2006 Last update 04 January 2007 |
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